Some days my truck won't crank at all. I have power coming out of ignition switch but no crank from starter. Sometimes it'll crank in neutral, other times it won't. So that led me to park/neutral safety switch. But now I'm having other issues. My odometer and gear selector lights go out, I lose power at my heat/a.c. switch, and my power windows stop working. So now I'm thinking possible bcm. Any other ideas or where to look?

 

I forgot to add it's a 2003 4x4 4.3. S10